Laboratory study on the performance of recycled concrete aggregates blended with reclaimed asphalt pavement as pavement granular material
Jayakody, Shiran, Gallage, Chaminda, Ramanujam, Jothi, & Kumar, Arun (2013) Laboratory study on the performance of recycled concrete aggregates blended with reclaimed asphalt pavement as pavement granular material. In Hossain, Md. Zakaria & Shahin, Hossain Md. (Eds.) Proceedings of the Third International Conference - Geomate 2013 Geotechnique, Construction, Materials and Environment, The Geomate International Society, Nagoya, Japan, pp. 389-393.
Production of recycled concrete aggregates (RCA) from construction and demolition (C&D) waste has become popular all over the world since the availability of land spaces are limited to dispose. Therefore it is important to seek alternative applications for RCA. The use of RCA in base and sub-base layers in granular pavement is a viable solution. In mechanistic pavement design, rutting (permanent deformation) is considered as the major failure mechanisms of the pavement. The rutting is the accumulation of permanent deformation of pavement layers caused by the repetitive vehicle load. In Queensland, Australia, it is accepted to have the maximum of 20% of reclaimed asphalt pavement (RAP) in RCA and therefore, it is important to investigate the effect of RAP on the permanent deformation properties of RCA. In this study, a series of repeated load triaxial (RLT) tests were conducted on RCA blended with different percentage of RAP to investigate the permanent deformation and resilient modulus properties of RCA. The vertical deformation and resilient modulus values were used to determine the response of RCA for the cyclic loading under standard pressure and loading conditions.
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|Item Type:||Conference Paper|
|Keywords:||Recycled Concrete Aggregates, Granular Pavements, RLT Testing, Permanent Deformation, Resilient Modulus|
|Divisions:||Current > Schools > School of Civil Engineering & Built Environment
Current > Schools > School of Earth, Environmental & Biological Sciences
Current > QUT Faculties and Divisions > Science & Engineering Faculty
|Copyright Owner:||Copyright 2013 [please consult the author]|
|Deposited On:||29 Apr 2014 00:30|
|Last Modified:||02 May 2014 04:26|
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